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05 GTO HVAC Posessed?
Just picked up an 05 M6, noticed under load the HVAC will switch from lets say "Mix" vents to "Defroster."
Then when load is reduced, it goes back to where it should be.
When I say load, I mean your cruisin along and start up an incline, as the car works harder, the HVAC switches vents to defrost and back again when the load is gone.
Sounds like a possible Vacuum leak some where?
Anyone else experience this?
ShadesOfGrey
Just picked up an 05 M6, noticed under load the HVAC will switch from lets say "Mix" vents to "Defroster."
Then when load is reduced, it goes back to where it should be.
When I say load, I mean your cruisin along and start up an incline, as the car works harder, the HVAC switches vents to defrost and back again when the load is gone.
Sounds like a possible Vacuum leak some where?
Anyone else experience this?
ShadesOfGrey